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/*
*
* Copyright 2015-2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_CORE_LIB_STATISTICS_CENSUS_RPC_STATS_H
#define GRPC_CORE_LIB_STATISTICS_CENSUS_RPC_STATS_H
#include <grpc/support/port_platform.h>
#include "src/core/lib/statistics/census_interface.h"
#ifdef __cplusplus
extern "C" {
#endif
struct census_rpc_stats {
uint64_t cnt;
uint64_t rpc_error_cnt;
uint64_t app_error_cnt;
double elapsed_time_ms;
double api_request_bytes;
double wire_request_bytes;
double api_response_bytes;
double wire_response_bytes;
};
/* Creates an empty rpc stats object on heap. */
census_rpc_stats *census_rpc_stats_create_empty(void);
typedef struct census_per_method_rpc_stats {
const char *method;
census_rpc_stats minute_stats; /* cumulative stats in the past minute */
census_rpc_stats hour_stats; /* cumulative stats in the past hour */
census_rpc_stats total_stats; /* cumulative stats from last gc */
} census_per_method_rpc_stats;
typedef struct census_aggregated_rpc_stats {
int num_entries;
census_per_method_rpc_stats *stats;
} census_aggregated_rpc_stats;
/* Initializes an aggregated rpc stats object to an empty state. */
void census_aggregated_rpc_stats_set_empty(census_aggregated_rpc_stats *data);
/* Records client side stats of a rpc. */
void census_record_rpc_client_stats(census_op_id op_id,
const census_rpc_stats *stats);
/* Records server side stats of a rpc. */
void census_record_rpc_server_stats(census_op_id op_id,
const census_rpc_stats *stats);
/* The following two functions are intended for inprocess query of
per-service per-method stats from grpc implementations. */
/* Populates *data_map with server side aggregated per-service per-method
stats.
DO NOT CALL from outside of grpc code. */
void census_get_server_stats(census_aggregated_rpc_stats *data_map);
/* Populates *data_map with client side aggregated per-service per-method
stats.
DO NOT CALL from outside of grpc code. */
void census_get_client_stats(census_aggregated_rpc_stats *data_map);
void census_stats_store_init(void);
void census_stats_store_shutdown(void);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_LIB_STATISTICS_CENSUS_RPC_STATS_H */
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